Dual Piston Wilwood Black Calipers 120-10937 -BK (MKD-52 Brake Pads). Why Wilwood?. 1955-57 Chevrolet B-Body's : Chevy Biscayne, Chevy Bel Air. Forged billet aluminum bodies, stainless steel pistons, and competition style high-temperature seals put and end to the rust, bore pitting, and seal failures that plague the OE caliper design.
